[Neos] Install Neos with commandline/manually

[jaco graaff]

I can download the source and extract but do not have documentation of the 
next step -

Composer does not work for me - I get....

[RuntimeException]
Failed to execute git clone 
'git://git.typo3.org/Neos/Distributions/Base.git' 'TYPO3-Neos-1.0/' && cd 
'TYPO3-Neos-1.0/
' && git remote add composer 
'git://git.typo3.org/Neos/Distributions/Base.git' && git fetch composer

git.typo3.org[0: 91.184.35.12]: errno=Connection timed out
git.typo3.org[0: 2a01:198:1:1::133]: errno=Network is unreachable
fatal: unable to connect a socket (Network is unreachable)